namespace 简易的加法器;

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }

    private void button1_Click(object sender, EventArgs e)
    {
        int a = int.Parse(textBox1.Text);
        int b = int.Parse(textBox2.Text);
        int c = a + b;
        textBox3.Text = c.ToString();
        label3.Text = "恭喜你。答对了";
    }
}